<h2 mat-dialog-title>{{'removeHero' | translate}}</h2>
<mat-dialog-content>{{'areYouSure' | translate}}</mat-dialog-content>
<mat-dialog-actions>
    <button mat-button mat-dialog-close>{{'no' | translate}}</button>
    <button mat-button [mat-dialog-close]="true">{{'yes' | translate}}</button>
</mat-dialog-actions>